gh-107409: set __wrapped__ attribute in reprlib.recursive_repr (#107410)

Co-authored-by: Kumar Aditya <kumaraditya@python.org>

Lib/test/test_reprlib.py

@@ -765,5 +765,14 @@ class TestRecursiveRepr(unittest.TestCase):
         for name in assigned:
             self.assertIs(getattr(wrapper, name), getattr(wrapped, name))
 
+    def test__wrapped__(self):
+        class X:
+            def __repr__(self):
+                return 'X()'
+            f = __repr__ # save reference to check it later
+            __repr__ = recursive_repr()(__repr__)
+
+        self.assertIs(X.f, X.__repr__.__wrapped__)
+
 if __name__ == "__main__":
     unittest.main()